: RACGIWS © 
ILLUSTRATIVE OF THE CHARACTER 
. OF ‘ 
THE ANTHRACITE, 
OR 
LEHIGH COAL, 
FOUND IN THE 
GREAT MINES AT MAUCH CHUNK, 
IN POSSESSION OF THE 
LEHIGH COAL AND NAVIGATION COMPANY, 
WITH CERTIFICATES 
FROM VARIOUS MANUFACTURERS, 
ea ITS DECIDED SUPERIORITY 
OVER 
EVERY OTHER KIND OF FUEL 
-Cr—- 

BOSTON = 
Printed by T. R. Marvin, Congress-street 
1825. 
INERT FE 
BULLETIN 252: CONTRIBUTIONS FROM THE MUSEUM OF HISTORY AND TECHNOLOGY 
